diff --git a/include/vulkan/vk_enum_string_helper.h b/include/vulkan/vk_enum_string_helper.h
index bcf1df5..6e6c0f0 100644
--- a/include/vulkan/vk_enum_string_helper.h
+++ b/include/vulkan/vk_enum_string_helper.h
@@ -7684,14 +7684,12 @@ static inline const char* string_VkPipelineCreateFlagBits2KHR(uint64_t input_val
             return "VK_PIPELINE_CREATE_2_ALLOW_DERIVATIVES_BIT_KHR";
         case VK_PIPELINE_CREATE_2_DERIVATIVE_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_DERIVATIVE_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_RESERVED_BIT_28_NV:
-            return "VK_PIPELINE_CREATE_2_RESERVED_BIT_28_NV";
         case VK_PIPELINE_CREATE_2_VIEW_INDEX_FROM_DEVICE_INDEX_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_VIEW_INDEX_FROM_DEVICE_INDEX_BIT_KHR";
         case VK_PIPELINE_CREATE_2_DISPATCH_BASE_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_DISPATCH_BASE_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_DEFER_COMPILE_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_DEFER_COMPILE_BIT_KHR";
+        case VK_PIPELINE_CREATE_2_DEFER_COMPILE_BIT_NV:
+            return "VK_PIPELINE_CREATE_2_DEFER_COMPILE_BIT_NV";
         case VK_PIPELINE_CREATE_2_CAPTURE_STATISTICS_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_CAPTURE_STATISTICS_BIT_KHR";
         case VK_PIPELINE_CREATE_2_CAPTURE_INTERNAL_REPRESENTATIONS_BIT_KHR:
@@ -7700,10 +7698,10 @@ static inline const char* string_VkPipelineCreateFlagBits2KHR(uint64_t input_val
             return "VK_PIPELINE_CREATE_2_FAIL_ON_PIPELINE_COMPILE_REQUIRED_BIT_KHR";
         case VK_PIPELINE_CREATE_2_EARLY_RETURN_ON_FAILURE_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_EARLY_RETURN_ON_FAILURE_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_LINK_TIME_OPTIMIZATION_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_LINK_TIME_OPTIMIZATION_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_RETAIN_LINK_TIME_OPTIMIZATION_INFO_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_RETAIN_LINK_TIME_OPTIMIZATION_INFO_BIT_KHR";
+        case VK_PIPELINE_CREATE_2_LINK_TIME_OPTIMIZATION_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_LINK_TIME_OPTIMIZATION_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_RETAIN_LINK_TIME_OPTIMIZATION_INFO_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_RETAIN_LINK_TIME_OPTIMIZATION_INFO_BIT_EXT";
         case VK_PIPELINE_CREATE_2_LIBRARY_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_LIBRARY_BIT_KHR";
         case VK_PIPELINE_CREATE_2_RAY_TRACING_SKIP_TRIANGLES_BIT_KHR:
@@ -7720,26 +7718,28 @@ static inline const char* string_VkPipelineCreateFlagBits2KHR(uint64_t input_val
             return "VK_PIPELINE_CREATE_2_RAY_TRACING_NO_NULL_INTERSECTION_SHADERS_BIT_KHR";
         case VK_PIPELINE_CREATE_2_RAY_TRACING_SHADER_GROUP_HANDLE_CAPTURE_REPLAY_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_RAY_TRACING_SHADER_GROUP_HANDLE_CAPTURE_REPLAY_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_INDIRECT_BINDABLE_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_INDIRECT_BINDABLE_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_RAY_TRACING_ALLOW_MOTION_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_RAY_TRACING_ALLOW_MOTION_BIT_KHR";
+        case VK_PIPELINE_CREATE_2_INDIRECT_BINDABLE_BIT_NV:
+            return "VK_PIPELINE_CREATE_2_INDIRECT_BINDABLE_BIT_NV";
+        case VK_PIPELINE_CREATE_2_RAY_TRACING_ALLOW_MOTION_BIT_NV:
+            return "VK_PIPELINE_CREATE_2_RAY_TRACING_ALLOW_MOTION_BIT_NV";
         case VK_PIPELINE_CREATE_2_RENDERING_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR:
             return "VK_PIPELINE_CREATE_2_RENDERING_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_RENDERING_FRAGMENT_DENSITY_MAP_ATTACHMENT_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_RENDERING_FRAGMENT_DENSITY_MAP_ATTACHMENT_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_RAY_TRACING_OPACITY_MICROMAP_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_RAY_TRACING_OPACITY_MICROMAP_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_COLOR_ATTACHMENT_FEEDBACK_LOOP_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_COLOR_ATTACHMENT_FEEDBACK_LOOP_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_DEPTH_STENCIL_ATTACHMENT_FEEDBACK_LOOP_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_DEPTH_STENCIL_ATTACHMENT_FEEDBACK_LOOP_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_NO_PROTECTED_ACCESS_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_NO_PROTECTED_ACCESS_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_PROTECTED_ACCESS_ONLY_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_PROTECTED_ACCESS_ONLY_BIT_KHR";
-        case VK_PIPELINE_CREATE_2_DESCRIPTOR_BUFFER_BIT_KHR:
-            return "VK_PIPELINE_CREATE_2_DESCRIPTOR_BUFFER_BIT_KHR";
+        case VK_PIPELINE_CREATE_2_RENDERING_FRAGMENT_DENSITY_MAP_ATTACHMENT_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_RENDERING_FRAGMENT_DENSITY_MAP_ATTACHMENT_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_RAY_TRACING_OPACITY_MICROMAP_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_RAY_TRACING_OPACITY_MICROMAP_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_COLOR_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_COLOR_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_DEPTH_STENCIL_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_DEPTH_STENCIL_ATTACHMENT_FEEDBACK_LOOP_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_NO_PROTECTED_ACCESS_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_NO_PROTECTED_ACCESS_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_PROTECTED_ACCESS_ONLY_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_PROTECTED_ACCESS_ONLY_BIT_EXT";
+        case VK_PIPELINE_CREATE_2_RAY_TRACING_DISPLACEMENT_MICROMAP_BIT_NV:
+            return "VK_PIPELINE_CREATE_2_RAY_TRACING_DISPLACEMENT_MICROMAP_BIT_NV";
+        case VK_PIPELINE_CREATE_2_DESCRIPTOR_BUFFER_BIT_EXT:
+            return "VK_PIPELINE_CREATE_2_DESCRIPTOR_BUFFER_BIT_EXT";
         default:
             return "Unhandled VkPipelineCreateFlagBits2KHR";
     }
@@ -7781,14 +7781,14 @@ static inline const char* string_VkBufferUsageFlagBits2KHR(uint64_t input_value)
             return "VK_BUFFER_USAGE_2_INDIRECT_BUFFER_BIT_KHR";
         case VK_BUFFER_USAGE_2_EXECUTION_GRAPH_SCRATCH_BIT_AMDX:
             return "VK_BUFFER_USAGE_2_EXECUTION_GRAPH_SCRATCH_BIT_AMDX";
-        case VK_BUFFER_USAGE_2_CONDITIONAL_RENDERING_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_CONDITIONAL_RENDERING_BIT_KHR";
+        case VK_BUFFER_USAGE_2_CONDITIONAL_RENDERING_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_CONDITIONAL_RENDERING_BIT_EXT";
         case VK_BUFFER_USAGE_2_SHADER_BINDING_TABLE_BIT_KHR:
             return "VK_BUFFER_USAGE_2_SHADER_BINDING_TABLE_BIT_KHR";
-        case VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_BUFFER_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_BUFFER_BIT_KHR";
-        case VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_COUNTER_BUFFER_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_COUNTER_BUFFER_BIT_KHR";
+        case VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT";
+        case VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_COUNTER_BUFFER_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_TRANSFORM_FEEDBACK_COUNTER_BUFFER_BIT_EXT";
         case VK_BUFFER_USAGE_2_VIDEO_DECODE_SRC_BIT_KHR:
             return "VK_BUFFER_USAGE_2_VIDEO_DECODE_SRC_BIT_KHR";
         case VK_BUFFER_USAGE_2_VIDEO_DECODE_DST_BIT_KHR:
@@ -7807,16 +7807,16 @@ static inline const char* string_VkBufferUsageFlagBits2KHR(uint64_t input_value)
             return "VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR";
         case VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR:
             return "VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR";
-        case VK_BUFFER_USAGE_2_SAMPLER_DESCRIPTOR_BUFFER_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_SAMPLER_DESCRIPTOR_BUFFER_BIT_KHR";
-        case VK_BUFFER_USAGE_2_RESOURCE_DESCRIPTOR_BUFFER_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_RESOURCE_DESCRIPTOR_BUFFER_BIT_KHR";
-        case VK_BUFFER_USAGE_2_PUSH_DESCRIPTORS_DESCRIPTOR_BUFFER_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_PUSH_DESCRIPTORS_DESCRIPTOR_BUFFER_BIT_KHR";
-        case VK_BUFFER_USAGE_2_MICROMAP_BUILD_INPUT_READ_ONLY_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_MICROMAP_BUILD_INPUT_READ_ONLY_BIT_KHR";
-        case VK_BUFFER_USAGE_2_MICROMAP_STORAGE_BIT_KHR:
-            return "VK_BUFFER_USAGE_2_MICROMAP_STORAGE_BIT_KHR";
+        case VK_BUFFER_USAGE_2_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT";
+        case VK_BUFFER_USAGE_2_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT";
+        case VK_BUFFER_USAGE_2_PUSH_DESCRIPTORS_DESCRIPTOR_BUFFER_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_PUSH_DESCRIPTORS_DESCRIPTOR_BUFFER_BIT_EXT";
+        case VK_BUFFER_USAGE_2_MICROMAP_BUILD_INPUT_READ_ONLY_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_MICROMAP_BUILD_INPUT_READ_ONLY_BIT_EXT";
+        case VK_BUFFER_USAGE_2_MICROMAP_STORAGE_BIT_EXT:
+            return "VK_BUFFER_USAGE_2_MICROMAP_STORAGE_BIT_EXT";
         default:
             return "Unhandled VkBufferUsageFlagBits2KHR";
     }
diff --git a/scripts/known_good.json b/scripts/known_good.json
index c1133a1..0cf8daa 100644
--- a/scripts/known_good.json
+++ b/scripts/known_good.json
@@ -6,7 +6,7 @@
             "sub_dir": "Vulkan-Headers",
             "build_dir": "Vulkan-Headers/build",
             "install_dir": "Vulkan-Headers/build/install",
-            "commit": "v1.3.260"
+            "commit": "v1.3.261"
         },
         {
             "name": "googletest",